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ZanzabumX [31]
3 years ago
8

How many mL of 6.00 M HCl are needed to prepare 1500 mL of 0.200 M HCl solution?

Chemistry
1 answer:
GaryK [48]3 years ago
8 0

Answer:

50mL

Explanation:

First find out how many moles will be needed in your final solution.

concentration (c) = Moles / Volume of solution (liters)

or rearrange the formula to find your Moles

Moles = concentration    x    volume of solution

convert your mL to L.  1500 mL is the same as 1.5 L

Moles = 0.200 moles/liter   x   1.5 liter (the liters cancel each other out)

Moles = 0.3 moles

Now use the same formula to determine how much of the original solution you need to end up with what you want.

Rearrange the formula again to solve for the volume.

Volume of solution = Moles / concentration

Volume = 0.3 moles / 6.00 (moles/liter)  here the moles cancel out

Volume = 0.05 L

convert your L into mL

Volume = 50 mL

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Explanation:

This is a simple stoichiometry proboe. that I would set up like this:

(13.5 moles CuCI2) (1 mol I2 / 2 moles CuCi2)

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Hope this helps :)

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3 years ago
Look at the following balanced equation. How many atoms of oxygen (O) are present on the reactant side of the equation?
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<h3>How to find number of atoms?</h3>

The number of atoms of an element in a balanced equation is the amount of that element involved in the reaction.

According to this question, Iron oxide reacts with carbon to produce iron and carbon dioxide as follows:

2Fe2O3 + 3C → 4Fe + 3CO2

In this reaction, 2 × 3 atoms = 6 atoms of oxygen are present on the reactant side of the equation.

Learn more about number of atoms at: brainly.com/question/8834373

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